| Regimental number | 2006 |
| Religion | Roman Catholic |
| Occupation | Station overseer |
| Address | c/o C L H St Clair, Bourke street Police Depot, Redfern, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Brother, C.L.H. St. Clair, bourke street Police Depot, Redfern, Sydney, New South Wales |
| Enlistment date | 21 June 1915 |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/37/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A54 Runic on 9 August 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 56th Battalion |
| Fate | Returned to Australia 10 September 1917 |